6843864 has 16 divisors (see below), whose sum is σ = 17109720. Its totient is φ = 2281280.

The previous prime is 6843841. The next prime is 6843869. The reversal of 6843864 is 4683486.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6843869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142557 + ... + 142604.

Almost surely, 2^6843864 is an apocalyptic number.

It is an amenable number.

6843864 is an abundant number, since it is smaller than the sum of its proper divisors (10265856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6843864 is a wasteful number, since it uses less digits than its factorization.

6843864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285170 (or 285166 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 6843864 is about 2616.0779804891. The cubic root of 6843864 is about 189.8601371432.

The spelling of 6843864 in words is "six million, eight hundred forty-three thousand, eight hundred sixty-four".